IRCTC — to change my email id

Name - kamaal siddiqui irctc user id - mkkamaal
Mobile no - [protected]
I have mistaken in my irctc registration by entering the wrong email id. Wrong id i have entered is kamaal. Siddim@rediff.com my original correct id is kamaal. Siddiqui@gmail.com kindly i apologise for entering wrong email id and support me to change the correct id or change by yourself